27042243 has 12 divisors (see below), whose sum is σ = 36760920. Its totient is φ = 17682496.

The previous prime is 27042241. The next prime is 27042269. The reversal of 27042243 is 34224072.

It is not a de Polignac number, because 27042243 - 2¹ = 27042241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27042241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6823 + ... + 10031.

It is an arithmetic number, because the mean of its divisors is an integer number (3063410).

Almost surely, 2^27042243 is an apocalyptic number.

27042243 is a deficient number, since it is larger than the sum of its proper divisors (9718677).

27042243 is an equidigital number, since it uses as much as digits as its factorization.

27042243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3318 (or 3265 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 24.

The square root of 27042243 is about 5200.2156686045. The cubic root of 27042243 is about 300.1563740319.

The spelling of 27042243 in words is "twenty-seven million, forty-two thousand, two hundred forty-three".